The Backgammon is one of the oldest games in the world and at the same time one of the most current. Its success is due to perfect balance between skill and luck, in the long term the strongest player wins the largest number of matches, but in the short everything can happens, the student flies the master, the beginner having its best on the champion . Today it's undergoing strong growth worldwide, organizations of players flourish, and the competitive appointments moultiply .